diff --git a/stock_lot_check_moves_without_lot_before_lot_required.diff b/stock_lot_check_moves_without_lot_before_lot_required.diff
index 54a5464..3f0bbdd 100644
--- a/stock_lot_check_moves_without_lot_before_lot_required.diff
+++ b/stock_lot_check_moves_without_lot_before_lot_required.diff
@@ -43,7 +43,7 @@ diff -r 04443e7121ac trytond/trytond/modules/stock_lot/product.py
 +
 +        cursor = Transaction().cursor
 +
-+        sql_where = ((move.lot == Null) & (template.id == self.id) & (move.state == 'done'))
++        sql_where = ((move.lot == Null) & (template.id == self.id) & (move.state == 'done') & (move.quantity > 0))
 +        query = move.join(
 +                product, condition=product.id == move.product).join(
 +                template, condition=template.id == product.template).join(